CMI发动机燃油喷射系统工作原理及故障诊断技术分析  

Operating Principle and Failure Diagnosis Technique Analysis on Fuel Injection System in CMI Engine

作　　者：王凯 张洪涛 WANG Kai;ZHANG Hongtao(Civil Aviation Flight University of China Luoyang Branch,Luoyang 471001)

机构地区：[1]中国民用航空飞行学院洛阳分院,河南洛阳471001

出　　处：《内燃机》2018年第4期46-49,共4页Internal Combustion Engines

摘　　要：基于CMI发动机燃油喷射系统的系统构造,通过对该型发动机燃油喷射系统的驱动燃油泵、燃油计量组件、燃油分配器和燃油喷嘴等主要部件的系统构造和工作原理进行分析,深入阐述了该燃油喷射系统各部件的故障机制及故障表征现象,提供了该燃油喷射系统常见故障的诊断方法及故障排除措施,为该型发动机燃油喷射系统的日常维护、故障诊断及排除和故障预防提供了有力依据。In connection with the structure feature of fuel injection system in CMI engine, the system construction and operating principle of principle components are researched in this paper, such as engine driven fuel pump, fuel metering control unit, fuel manifold valve and fuel injector nozzle. The failure mechanism and failure symptom are expounded deeply. And it provides failure diagnosis and treating measures for malfunction on this fuel injection system, thus providing strong basis for routine maintenance and system troubleshooting for this system.

关 键 词：燃油喷射系统 工作原理 故障机制 故障表征 

分 类 号：TK413[动力工程及工程热物理—动力机械及工程]